Air and atmosphere.pptx
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1. Oxygen is used for respiration and is released from plants through photosynthesis. During respiration, oxygen is used to oxidize glucose and release energy, while carbon dioxide is released into the air. 2. Photosynthesis is the process by which plants produce carbohydrates and oxygen from carbon dioxide, water, and sunlight using chlorophyll. This releases oxygen into the air. 3. Carbon dioxide in the atmosphere prevents some infrared and ultraviolet rays from escaping, helping to keep the Earth's temperature warm enough to support life.
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Carbon cycle
The carbon cycle describes the movement of carbon between the biosphere, geosphere, hydrosphere and atmosphere. Photosynthesis incorporates carbon from the atmosphere into organic compounds, which are then used by organisms through respiration or decomposed and released back into the atmosphere. Carbon is also stored long-term in fossil fuels, limestone and other carbonate rocks through geological processes. Human activities like burning fossil fuels have increased carbon dioxide levels and strengthened the greenhouse effect, contributing to modern climate change.
carbon cycle
Carbon has an important role in environment so its important to know about the carbon cycle.Here is the brief description of carbon cycle.
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The carbon cycle describes the movement of carbon through the biosphere, geosphere, hydrosphere and atmosphere. Carbon is exchanged through processes like photosynthesis, respiration, and the weathering of rocks. Recently, the carbon cycle has become imbalanced due to human activities like burning fossil fuels and deforestation, which emit carbon dioxide into the atmosphere faster than natural processes can reabsorb it. The excess carbon dioxide is causing global warming and has negative effects on plants, humans and the climate.
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The carbon cycle is a critical component of Earth's environmental system, governing the movement and transformation of carbon through various reservoirs, including the atmosphere, oceans, soil, and living organisms. This complex cycle involves several key processes such as photosynthesis, respiration, decomposition, and carbon sequestration, each contributing to the regulation of carbon levels on the planet.
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The carbon and oxygen cycles are interconnected processes that regulate the flow of carbon and oxygen between the atmosphere, oceans, soil and living organisms. The carbon cycle involves photosynthesis, respiration, decomposition and combustion, circulating carbon through ecosystems. Photosynthesis uses carbon dioxide and sunlight to produce oxygen and organic compounds. Respiration and decomposition release carbon dioxide and power cellular functions. Combustion releases carbon dioxide through burning of fossil fuels. The oxygen cycle ensures a steady oxygen supply through photosynthesis and atmospheric exchange, while respiration uses oxygen for energy. Human impacts like deforestation and fossil fuel use disrupt these natural cycles.
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The document discusses photosynthesis and the carbon cycle. It explains that:
1) Photosynthesis uses energy from sunlight to convert carbon dioxide and water into oxygen and carbohydrates like sugar, storing the sun's energy.
2) Carbon cycles between the atmosphere, living things, oceans, soil and fossil fuels as part of the global carbon cycle. Green plants and algae absorb carbon dioxide and release oxygen through photosynthesis.
3) Photosynthesis occurs in chloroplasts and has two stages - the light dependent reactions which require sunlight, and the light independent dark reactions which can occur with or without light but are more efficient in darkness.
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The carbon cycle describes how carbon is exchanged between the biosphere, geosphere, hydrosphere and atmosphere of the Earth. It involves the exchange of carbon in its various forms - as carbon dioxide (CO2), methane (CH4), and carbon within living things. The key points are:
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carbon cycle
Carbon has an important role in environment so its important to know about the carbon cycle.Here is the brief description of carbon cycle.
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The carbon and oxygen cycles are interconnected processes that regulate the flow of carbon and oxygen between the atmosphere, oceans, soil and living organisms. The carbon cycle involves photosynthesis, respiration, decomposition and combustion, circulating carbon through ecosystems. Photosynthesis uses carbon dioxide and sunlight to produce oxygen and organic compounds. Respiration and decomposition release carbon dioxide and power cellular functions. Combustion releases carbon dioxide through burning of fossil fuels. The oxygen cycle ensures a steady oxygen supply through photosynthesis and atmospheric exchange, while respiration uses oxygen for energy. Human impacts like deforestation and fossil fuel use disrupt these natural cycles.
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The document discusses photosynthesis and the carbon cycle. It explains that:
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2) Carbon cycles between the atmosphere, living things, oceans, soil and fossil fuels as part of the global carbon cycle. Green plants and algae absorb carbon dioxide and release oxygen through photosynthesis.
3) Photosynthesis occurs in chloroplasts and has two stages - the light dependent reactions which require sunlight, and the light independent dark reactions which can occur with or without light but are more efficient in darkness.
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The pygmy halfbeak Dermogenys colletei, is known for its viviparous nature, this presents an intriguing case of relatively low fecundity, raising questions about potential compensatory reproductive strategies employed by this species. Our study delves into the examination of fecundity and the Gonadosomatic Index (GSI) in the Pygmy Halfbeak, D. colletei (Meisner, 2001), an intriguing viviparous fish indigenous to Sarawak, Borneo. We hypothesize that the Pygmy halfbeak, D. colletei, may exhibit unique reproductive adaptations to offset its low fecundity, thus enhancing its survival and fitness. To address this, we conducted a comprehensive study utilizing 28 mature female specimens of D. colletei, carefully measuring fecundity and GSI to shed light on the reproductive adaptations of this species. Our findings reveal that D. colletei indeed exhibits low fecundity, with a mean of 16.76 ± 2.01, and a mean GSI of 12.83 ± 1.27, providing crucial insights into the reproductive mechanisms at play in this species. These results underscore the existence of unique reproductive strategies in D. colletei, enabling its adaptation and persistence in Borneo's diverse aquatic ecosystems, and call for further ecological research to elucidate these mechanisms. This study lends to a better understanding of viviparous fish in Borneo and contributes to the broader field of aquatic ecology, enhancing our knowledge of species adaptations to unique ecological challenges.
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8.Isolation of pure cultures and preservation of cultures.pdf
Isolation of pure culture, its various method.
THEMATIC APPERCEPTION TEST(TAT) cognitive abilities, creativity, and critic...
THEMATIC APPERCEPTION TEST(TAT) cognitive abilities, creativity, and critic...Abdul Wali Khan University Mardan,kP,Pakistan
hematic appreciation test is a psychological assessment tool used to measure an individual's appreciation and understanding of specific themes or topics. This test helps to evaluate an individual's ability to connect different ideas and concepts within a given theme, as well as their overall comprehension and interpretation skills. The results of the test can provide valuable insights into an individual's cognitive abilities, creativity, and critical thinking skillsSharlene Leurig - Enabling Onsite Water Use with Net Zero Water
Sharlene Leurig - Enabling Onsite Water Use with Net Zero WaterTexas Alliance of Groundwater Districts
Presented at June 6-7 Texas Alliance of Groundwater Districts Business MeetingCytokines and their role in immune regulation.pptx
This presentation covers the content and information on "Cytokines " and their role in immune regulation .
Randomised Optimisation Algorithms in DAPHNE
Slides from talk:
Aleš Zamuda: Randomised Optimisation Algorithms in DAPHNE .
Austrian-Slovenian HPC Meeting 2024 – ASHPC24, Seeblickhotel Grundlsee in Austria, 10–13 June 2024
https://ashpc.eu/
EWOCS-I: The catalog of X-ray sources in Westerlund 1 from the Extended Weste...
Context. With a mass exceeding several 104 M⊙ and a rich and dense population of massive stars, supermassive young star clusters
represent the most massive star-forming environment that is dominated by the feedback from massive stars and gravitational interactions
among stars.
Aims. In this paper we present the Extended Westerlund 1 and 2 Open Clusters Survey (EWOCS) project, which aims to investigate
the influence of the starburst environment on the formation of stars and planets, and on the evolution of both low and high mass stars.
The primary targets of this project are Westerlund 1 and 2, the closest supermassive star clusters to the Sun.
Methods. The project is based primarily on recent observations conducted with the Chandra and JWST observatories. Specifically,
the Chandra survey of Westerlund 1 consists of 36 new ACIS-I observations, nearly co-pointed, for a total exposure time of 1 Msec.
Additionally, we included 8 archival Chandra/ACIS-S observations. This paper presents the resulting catalog of X-ray sources within
and around Westerlund 1. Sources were detected by combining various existing methods, and photon extraction and source validation
were carried out using the ACIS-Extract software.
Results. The EWOCS X-ray catalog comprises 5963 validated sources out of the 9420 initially provided to ACIS-Extract, reaching a
photon flux threshold of approximately 2 × 10−8 photons cm−2
s
−1
. The X-ray sources exhibit a highly concentrated spatial distribution,
with 1075 sources located within the central 1 arcmin. We have successfully detected X-ray emissions from 126 out of the 166 known
massive stars of the cluster, and we have collected over 71 000 photons from the magnetar CXO J164710.20-455217.
Applied Science: Thermodynamics, Laws & Methodology.pdf
When I was asked to give a companion lecture in support of ‘The Philosophy of Science’ (https://shorturl.at/4pUXz) I decided not to walk through the detail of the many methodologies in order of use. Instead, I chose to employ a long standing, and ongoing, scientific development as an exemplar. And so, I chose the ever evolving story of Thermodynamics as a scientific investigation at its best.
Conducted over a period of >200 years, Thermodynamics R&D, and application, benefitted from the highest levels of professionalism, collaboration, and technical thoroughness. New layers of application, methodology, and practice were made possible by the progressive advance of technology. In turn, this has seen measurement and modelling accuracy continually improved at a micro and macro level.
Perhaps most importantly, Thermodynamics rapidly became a primary tool in the advance of applied science/engineering/technology, spanning micro-tech, to aerospace and cosmology. I can think of no better a story to illustrate the breadth of scientific methodologies and applications at their best.
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Air and atmosphere.pptx
- 1. Air and atmosphere Class 6 by Aditi pandey Part 2
- 3. For respiration oxygen use Use oxygen for respire realese energy in the form of heat air to oxidize food substances mainly gulocose in their body cells.
- 4. Oxygen for contibution • It involves oxiditions ie .combination of substances like fuels with oxygen or air generally resulting in production of heat and light. • Fuel+oxygen-carbon dioxide+ watrer vapour +energy • Carbon dioxide is reallesed in air as a resauklt of all burning.
- 6. Potosythesis Is a process by which green plants prepare their food in the presence of sunlight and cholorophyll. CARBON DIOXIDE WATER IN THE PRESENCE OF SUNLIGHTAND CHOLOROPHYLL IS CHANGED IN CARBOHYDRATEDS AND OXYGEN IS REALESED OUT -
- 7. FORMULA
- 8. EFFECTS ON ENVOIREMENT DUE TO CARB ON DIOXIDE • IR RAYS AND ULTRAVOILET RAYS • Thease rays heat up the earth. • The uv rays from the earth surface pass through carbon dioxdide in atmosphereir rays are prvended by carbon dioxide result-= • The earth envoirment staying warm.
- 10. Water vapour ,rare gasses andpolluting gasses • Water vapour- minimizes the rate of evopouration. • In the atmosphere – produses rain mist etc. thereby determining climatic conditions. • In excess – the rain serves as a natural source of water for plants and animals
- 11. Advertisment, a brillent glow is seen Fillment bulbs, the metal filament not burn in atmphere argon- argon Xenon- in flurocent bulbs , flash bulbs and laseres. Radon – radioactive and may fin applications in medicine . Polluting gasses Sulphur- causes respiratory problems Dust Particles-precipates rain
- 12. Properrties of air are found to be the air Therefore has no definite properties. Average properties of consituents air is amixture